Home / 84,556.08-126,804.56-28,384.20

Finding the Fourth Proportional to 84,556.08, 126,804.56 and 28,384.20

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Solution

The fourth proportional to 84,556.08, 126,804.56 and 28,384.20 is: 42,566.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,556.08 : 126,804.56 = 28,384.20 : x
  2. Step 2: Convert to fraction form
    84,556.08/126,804.56 = 28,384.20/x
  3. Step 3: Cross multiply
    84,556.08x = 126,804.56 × 28,384.20
  4. Step 4: Simplify right side
    84,556.08x = 3,599,245,991.95
  5. Step 5: Solve for x
    x = 3,599,245,991.95/84,556.08
  6. Step 6: Final answer
    x = 42,566.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.